Pneumatic ratchet



FIG. 1 is an isometric view thereof;

FIG. 2 is a side view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a front thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a pneumatic ratchet, as shown 